/* VideoByPrompt static pages — shared stylesheet (new brand palette).
   Loaded by every page under public/ (privacy, terms, about, contact,
   disclaimer, prompt-generator, image-generator, guides). */

:root {
  --vbp-peach: #ff8a65;
  --vbp-violet: #8b5cf6;
  --vbp-violet-deep: #7c3aed;
  --vbp-fuchsia: #c026d3;
  --vbp-ink: #121416;
  --vbp-muted: #5d5f63;
  --vbp-card: #f6f6f7;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  color: var(--vbp-ink);
  min-height: 100vh;
  background:
    radial-gradient(ellipse 46% 17% at 16% 5%, rgba(255, 255, 255, 0.85), transparent 70%),
    radial-gradient(ellipse 38% 14% at 55% 2%, rgba(255, 255, 255, 0.7), transparent 70%),
    radial-gradient(ellipse 30% 12% at 84% 9%, rgba(255, 255, 255, 0.6), transparent 70%),
    radial-gradient(ellipse 52% 19% at 38% 15%, rgba(255, 255, 255, 0.5), transparent 70%),
    linear-gradient(172deg, #6d5bd0 0%, #a78bfa 48%, #d8b4fe 100%);
  background-attachment: fixed;
}

h1, h2, h3, h4, .font-display {
  font-family: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;
  letter-spacing: -0.02em;
}

a { color: var(--vbp-violet-deep); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- header ---- */
.vbp-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 14px 16px 0;
}
.vbp-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  padding: 8px 10px 8px 20px;
  box-shadow: 0 12px 40px -12px rgba(18, 20, 22, 0.25);
}
.vbp-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 800;
  font-size: 17px;
  color: var(--vbp-ink);
  white-space: nowrap;
}
.vbp-logo:hover { text-decoration: none; }
.vbp-logo-mark {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--vbp-violet-deep), var(--vbp-fuchsia));
  color: #fff;
  font-size: 15px;
  font-weight: 800;
}
.vbp-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
}
.vbp-nav a {
  color: var(--vbp-ink);
  font-size: 13.5px;
  font-weight: 500;
  padding: 7px 11px;
  border-radius: 999px;
  white-space: nowrap;
}
.vbp-nav a:hover { background: rgba(124, 58, 237, 0.08); text-decoration: none; }
.vbp-nav a.active { background: rgba(124, 58, 237, 0.12); color: var(--vbp-violet-deep); }
.vbp-nav .vbp-nav-cta {
  background: linear-gradient(135deg, var(--vbp-violet-deep), var(--vbp-fuchsia));
  color: #fff;
  font-weight: 600;
}
.vbp-nav .vbp-nav-cta:hover { filter: brightness(1.07); background: linear-gradient(135deg, var(--vbp-violet-deep), var(--vbp-fuchsia)); }
@media (max-width: 760px) {
  .vbp-nav a:not(.vbp-nav-cta) { display: none; }
}

/* ---- layout ---- */
.vbp-page { max-width: 1100px; margin: 0 auto; padding: 40px 16px 80px; }
.vbp-hero { text-align: center; max-width: 760px; margin: 24px auto 32px; }
.vbp-hero h1 {
  font-size: clamp(34px, 5.5vw, 56px);
  line-height: 1.02;
  font-weight: 800;
  margin: 14px 0 12px;
  color: #fff;
  text-shadow: 0 2px 24px rgba(60, 30, 120, 0.35);
}
.vbp-hero p {
  font-size: 17px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.92);
  margin: 0;
}
.vbp-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--vbp-violet-deep);
}
.vbp-eyebrow .dot {
  width: 8px; height: 8px; border-radius: 999px;
  background: linear-gradient(135deg, var(--vbp-peach), var(--vbp-violet));
}

.vbp-card {
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  box-shadow: 0 24px 70px -24px rgba(18, 20, 22, 0.35);
  padding: 36px 40px;
}
@media (max-width: 640px) { .vbp-card { padding: 26px 20px; } }
.vbp-card.narrow { max-width: 820px; margin: 0 auto; }
.vbp-card.wide { max-width: 980px; margin: 0 auto; }

.vbp-card h2 {
  font-size: 24px; font-weight: 800; margin: 34px 0 10px; line-height: 1.25;
}
.vbp-card h2:first-child { margin-top: 0; }
.vbp-card h3 { font-size: 18px; font-weight: 700; margin: 26px 0 8px; }
.vbp-card p, .vbp-card li { font-size: 15.5px; line-height: 1.75; color: #2b2e35; }
.vbp-card p { margin: 0 0 14px; }
.vbp-card ul, .vbp-card ol { margin: 0 0 16px; padding-left: 22px; }
.vbp-card li { margin-bottom: 6px; }
.vbp-card .updated { font-size: 13px; color: var(--vbp-muted); margin-bottom: 22px; }

/* ---- buttons & badges ---- */
.vbp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--vbp-violet-deep), var(--vbp-fuchsia));
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 13px 26px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 12px 28px -10px rgba(124, 58, 237, 0.55);
  transition: filter 0.15s ease, transform 0.15s ease;
}
.vbp-btn:hover { filter: brightness(1.08); }
.vbp-btn:active { transform: scale(0.98); }
.vbp-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.vbp-btn.secondary {
  background: #fff;
  color: var(--vbp-ink);
  border: 1px solid rgba(18, 20, 22, 0.14);
  box-shadow: none;
}
.vbp-btn.secondary:hover { background: #f6f6f7; }

.vbp-badges { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 18px 0 0; }
.vbp-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 13px; font-weight: 600; color: var(--vbp-ink);
}
.vbp-badge .tick { color: #16a34a; font-weight: 800; }

.vbp-free-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 26px 0;
}
@media (max-width: 720px) { .vbp-free-strip { grid-template-columns: repeat(2, 1fr); } }
.vbp-free-item {
  background: var(--vbp-card);
  border: 1px solid rgba(18, 20, 22, 0.06);
  border-radius: 18px;
  padding: 18px 14px;
  text-align: center;
}
.vbp-free-item .ico { font-size: 24px; line-height: 1; }
.vbp-free-item b { display: block; margin-top: 8px; font-size: 14.5px; }
.vbp-free-item span { display: block; margin-top: 4px; font-size: 12.5px; line-height: 1.5; color: var(--vbp-muted); }

/* ---- tool UI ---- */
.vbp-tool label { display: block; font-size: 13px; font-weight: 700; margin: 20px 0 8px; }
.vbp-tool label:first-child { margin-top: 0; }
.vbp-tool textarea, .vbp-tool input[type="text"], .vbp-tool input[type="email"] {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.6;
  color: var(--vbp-ink);
  background: #fafafb;
  border: 1px solid rgba(18, 20, 22, 0.12);
  border-radius: 14px;
  padding: 13px 15px;
  resize: vertical;
}
.vbp-tool textarea:focus, .vbp-tool input:focus {
  outline: none;
  border-color: var(--vbp-violet);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.18);
}
.vbp-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.vbp-chip {
  border: 1px solid rgba(18, 20, 22, 0.14);
  background: #fff;
  color: var(--vbp-ink);
  border-radius: 999px;
  padding: 8px 15px;
  font-size: 13.5px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
}
.vbp-chip:hover { border-color: var(--vbp-violet); }
.vbp-chip.active {
  background: linear-gradient(135deg, var(--vbp-violet-deep), var(--vbp-fuchsia));
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}
.vbp-output {
  width: 100%;
  min-height: 130px;
  background: #121316;
  color: #f4f4f5;
  border: none;
  border-radius: 16px;
  padding: 16px 18px;
  font-size: 14.5px;
  line-height: 1.7;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  resize: vertical;
}
.vbp-tool-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.vbp-note {
  background: #faf5ff;
  border: 1px solid #e9d5ff;
  border-radius: 14px;
  padding: 13px 16px;
  font-size: 13.5px;
  line-height: 1.6;
  color: #4c1d95;
  margin-top: 16px;
}
.vbp-error {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.65;
  color: #7c2d12;
  margin-top: 16px;
}
.vbp-result-img {
  margin-top: 18px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(18, 20, 22, 0.1);
}
.vbp-result-img img { display: block; width: 100%; height: auto; }
.vbp-spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: vbp-spin 0.8s linear infinite;
  vertical-align: -3px;
}
@keyframes vbp-spin { to { transform: rotate(360deg); } }

/* ---- FAQ ---- */
.vbp-faq { margin-top: 10px; }
.vbp-faq details {
  border: 1px solid rgba(18, 20, 22, 0.1);
  border-radius: 14px;
  padding: 14px 18px;
  margin-bottom: 10px;
  background: #fafafb;
}
.vbp-faq summary { font-weight: 700; font-size: 15px; cursor: pointer; list-style: none; }
.vbp-faq summary::-webkit-details-marker { display: none; }
.vbp-faq details p { margin: 10px 0 0; }

/* ---- footer ---- */
.vbp-footer { max-width: 1100px; margin: 0 auto; padding: 0 16px 36px; }
.vbp-footer-inner {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 24px;
  padding: 26px 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-start;
  justify-content: space-between;
}
.vbp-footer-inner nav { display: flex; flex-wrap: wrap; gap: 6px 20px; max-width: 560px; }
.vbp-footer-inner nav a { color: var(--vbp-muted); font-size: 13.5px; }
.vbp-footer-inner nav a:hover { color: var(--vbp-ink); }
.vbp-footer-inner .copy { font-size: 13px; color: var(--vbp-muted); }
.vbp-footer-inner .brand { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 15px; color: var(--vbp-ink); margin-bottom: 6px; }
.vbp-footer-inner p { font-size: 13px; line-height: 1.6; color: var(--vbp-muted); margin: 0 0 4px; max-width: 420px; }

/* ---- misc ---- */
.vbp-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 22px 0; }
@media (max-width: 720px) { .vbp-steps { grid-template-columns: 1fr; } }
.vbp-step {
  background: var(--vbp-card);
  border: 1px solid rgba(18, 20, 22, 0.06);
  border-radius: 18px;
  padding: 20px;
}
.vbp-step .num {
  display: inline-grid; place-items: center;
  width: 30px; height: 30px; border-radius: 999px;
  background: linear-gradient(135deg, var(--vbp-violet-deep), var(--vbp-fuchsia));
  color: #fff; font-weight: 800; font-size: 14px;
}
.vbp-step b { display: block; margin: 12px 0 5px; font-size: 15px; }
.vbp-step p { font-size: 13.5px; line-height: 1.6; color: var(--vbp-muted); margin: 0; }
.vbp-cta-band {
  margin-top: 30px;
  background: linear-gradient(135deg, #1b1c22, #3b2a6b);
  border-radius: 20px;
  padding: 30px;
  text-align: center;
  color: #fff;
}
.vbp-cta-band h3 { color: #fff; margin: 0 0 8px; font-size: 21px; }
.vbp-cta-band p { color: rgba(255, 255, 255, 0.8); margin: 0 0 18px; font-size: 14.5px; }
.vbp-related { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.vbp-related a {
  border: 1px solid rgba(18, 20, 22, 0.14);
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--vbp-ink);
  background: #fff;
}
.vbp-related a:hover { border-color: var(--vbp-violet); color: var(--vbp-violet-deep); text-decoration: none; }

/* "The whole method in 30 seconds" box — the 1-2 line logic that makes the
   entire AI video workflow click, placed at the top of every guide. */
.vbp-tldr {
  background: linear-gradient(135deg, #f3efff, #fdf2f8);
  border: 1px solid #ddd0ff;
  border-left: 5px solid var(--vbp-violet);
  border-radius: 16px;
  padding: 22px 24px;
  margin: 0 0 8px;
}
.vbp-tldr h2 { margin-top: 0 !important; font-size: 20px !important; }
.vbp-tldr p.lead { font-size: 17px !important; line-height: 1.65; color: #1b1c22 !important; }
.vbp-tldr ol { margin: 12px 0 0; padding-left: 22px; }
.vbp-tldr li { margin-bottom: 8px; }